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参数资料
| 型号： | 71M6521FE-IGT/F |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, QFP64 |
| 封装： | LEAD FREE, LQFP-64 |
| 文件页数： | 76/103页 |
| 文件大小： | 1691K |
| 代理商： | 71M6521FE-IGT/F |
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71M6521DE/71M6521FE
Energy Meter IC
DATA SHEET
OCTOBER 2010
Page: 74 of 103
2005-2010 Teridian Semiconductor Corporation
v1.1
A Maxim Integrated Products Brand
19-5370; 10/10
DIO_DIR1[7:6,
3:0]
SFR91
[7:6,3:0]
0
R/W
Programs the direction of pins DIO15-DIO14, DIO11-DIO8. 1 indi-
cates output. Ignored if the pin is not configured as I/O.
DIO_DIR2
[5:3,2:1]
SFRA1
[5:3,2:1]
0
R/W
Programs the direction of pins DIO17-DIO16 (and DIO19-DIO21 for
the QFN package). 1 indicates output. Ignored if the pin is not con-
figured as I/O.
DIO_0[7:4,2:0]
SFR80
[7:4,2:0]
0
R/W
The value on the pins DIO7-DIO4 and DIO2-DIO1. Pins configured
as LCD will read zero. When written, changes data on pins confi-
gured as outputs. Pins configured as LCD or input will ignore write
operations. The pushbutton input PB is read on DIO_0[0].
DIO_1[7:6,3:0]
SFR90
[7:6,3:0]
0
R/W
The value on the pins DIO15-DIO14 and DIO11-DIO8. Pins con-
figured as LCD will read zero. When written, changes data on pins
configured as outputs. Pins configured as LCD or input will ignore
write operations.
DIO_2[5:3,1:0]
SFRA0
[5:3,1:0]
0
R/W
The value on the pins DIO17-DIO16 (and DIO19-DIO21 for the QFN
package). Pins configured as LCD will read zero. When written,
changes data on pins configured as outputs. Pins configured as
LCD or input will ignore write operations.
DIO_EEX[1:0]
2008[7:6]
0
R/W
When set, converts DIO4 and DIO5 to interface with external
EEPROM. DIO4 becomes SDCK and DIO5 becomes bi-directional
SDATA. LCD_NUM must be less than or equal to 18.
DIO_EEX[1:0]
Function
00
Disable EEPROM interface
01
2-Wire EEPROM interface
10
3-Wire EEPROM interface
11
--not used--
DIO_PV
2008[2]
0
R/W
Causes VARPULSE to be output on DIO7, if DIO7 is configured as
output. LCD_NUM must be less than 15.
DIO_PW
2008[3]
0
R/W
Causes WPULSE to be output on DIO6, if DIO6 is configured as
output. LCD_NUM must be less than 16.
EEDATA[7:0]
SFR9E
0
R/W
Serial EEPROM interface data
EECTRL[7:0]
SFR9F
0
R/W
Serial EEPROM interface control
ECK_DIS
2005[5]
0
R/W
Emulator clock disable. When one, the emulator clock is disabled.
This bit is to be used with caution! Inadvertently
setting this bit will inhibit access to the part with the
ICE interface and thus preclude flash erase and pro-
gramming operations. If ECK_ENA is set, it should be done at
least 1000ms after power-up to give emulators and programming
devices enough time to complete an erase operation.
EQU[2:0]
2000[7:5]
0
R/W
Specifies the power equation to be used by the CE.
EX_XFR
EX_RTC
EX_FWCOL
EX_PLL
2002[0]
2002[1]
2007[4]
2007[5]
0
R/W
Interrupt enable bits. These bits enable the XFER_BUSY, the
RTC_1SEC, the FirmWareCollision, and PLL interrupts. Note that if
one of these interrupts is to be enabled, its corresponding EX enable
bit must also be set. See the Interrupts section for details.
FIR_LEN
2005[4]
0
R/W
The length of the ADC decimation FIR filter.
1-384 cycles, 0-288 cycles
When FIR_LEN=1, the ADC has 2.370370x higher gain.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 71M6521FE-IGTR | 制造商:Maxim Integrated Products 功能描述:Metering Systems on a Chip - SoC Residential Energy Meter IC |
| 71M6521FE-IGTR/F | 功能描述:计量片上系统 - SoC Residential Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel |
| 71M6521FE-IGTR/F1 | 功能描述:计量片上系统 - SoC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel |
| 71M6521FE-IM | 制造商:Maxim Integrated Products 功能描述:Metering Systems on a Chip - SoC Residential Energy Meter IC |
| 71M6521FE-IM/F | 功能描述:计量片上系统 - SoC Residential Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel |
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